Beetle L4-1.9L DSL Turbo (ALH) (1998)
Glow Plug: Testing and Inspection
With Manufacturer's Scan Tool
Glow Plugs -Q6-, Checking
Special tools
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Fluke 83 multimeter
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VW 1594 Adaptor kit
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VAG 1527B Voltage tester
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3220 swivel socket with extension
Checking conditions
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Battery voltage 11.5 Volts minimum
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Ignition switched OFF
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Diesel direct injection system Engine Control Module J248 OK
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S163 Glow plug strip fuse OK
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Production number on reverse side of glow plug relay must be: "180"
Checking sequence
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Disconnect harness connector from Engine Coolant Temperature -G62- sensor -arrow-.
NOTE: Disconnecting -G62- simulates "engine cold" condition. Switching ON ignition initiates normal glow period.
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Disconnect glow plug harness connectors from Glow Plugs -Q6-.
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Switch ON ignition.
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Switch Fluke 83 multimeter to 20 Volt range.